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Self-regulating processes are stochastic processes whose local regularity, as measured by the pointwise Hölder exponent, is a function of amplitude. They seem to provide relevant models for various signals arising for example in geophysics or biomedicine. We propose in this work an estimator of the self-regulating function (that is, the function relating amplitude and Hölder regularity) of the self-regulating midpoint displacement process and study some of its properties. We prove that it is almost surely convergent and obtain a central limit theorem. Numerical simulations show that the estimator behaves well in practice.

This chapter contains sections titled: Traits in Action Individual Differences in Self‐Regulation Conscientiousness and Techniques of Self‐Control Implications of Trait Psychology for Self‐Control and Its Failures Conclusion References

This study introduces an innovative self-regulating intelligent optimal balancing control framework for inverted pendulum-type mechatronic platforms, designed to enhance reference tracking accuracy and improve disturbance rejection capability. The control procedure is synthesized by synergistically integrating a baseline Linear Quadratic Regulator (LQR) with a fuzzy controller via a customized linear decomposition function (LDF). The LDF dissociates and transforms the LQR control law into compounded state tracking error and tracking error derivative variables that are eventually used to drive the fuzzy controller. The principal contribution of this study lies in the adaptive modulation of these compounded variables using reconfigurable tangent hyperbolic functions driven by the cubic power of the error signals. This nonlinear preprocessing of the input variables selectively amplifies large errors while attenuating small ones, thereby improving robustness and reducing oscillations. Moreover, a model-free online self-tuning law dynamically adjusts the variation rates of the hyperbolic functions through dissipative and anti-dissipative terms of the state errors, enabling autonomous reconfiguration of the nonlinear preprocessing layer. This dual-level adaptation enhances the flexibility and resilience of the controller under perturbations. The robustness of the designed controller is substantiated via tailored experimental trials conducted on the Quanser rotary pendulum platform. Comparative results show that the prescribed scheme reduces pendulum angle variance by 41.8%, arm position variance by 34.6%, and average control energy by 28.3% relative to the baseline LQR, while outperforming conventional fuzzy-LQR by similar margins. These results show that the prescribed controller significantly enhances disturbance rejection and tracking accuracy, thereby offering a numerically superior control of inverted pendulum systems.

This chapter contains sections titled: A Definition and Organizational Approach Temperament Executive Function Self‐Regulation as a Contributor to Academic Achievement Conclusion References

Path analysis was used to investigate the longitudinal associations among parenting and children's executive function and externalizing behavior problems from 36 to 90 months of age in the Family Life Project (N = 1,115), a study of child development in the context of rural poverty. While controlling for stability in the constructs, semistructured observations of parenting prospectively predicted performance on a battery of executive function tasks and primary caregivers' reports of externalizing behavior. Furthermore, the association between early parenting and later externalizing behavior was longitudinally mediated by executive function, providing support for a process model in which sensitive parenting promotes children's self-regulation, which in turn reduces children's externalizing behavior.

Young children in foster care often experience adversity, such as maltreatment and lack of stability in early caregiving relationships. As a result, these children are at risk for a range of problems, including deficits in executive functioning. The Attachment and Biobehavioral Catch-up for Toddlers (ABC-T) intervention was designed to help foster parents behave in ways that promote the development of young children's emerging self-regulatory capabilities. Participants included 173 parent–toddler dyads in three groups: foster families that were randomly assigned to receive either the ABC-T intervention (n = 63) or a control intervention (n = 58), as well as low-risk parent–toddler dyads from intact families (n = 52). At a follow-up conducted when children were approximately 48 months old, children's executive functioning abilities were assessed with the attention problems scale of the Child Behavior Checklist (Achenbach & Rescorla, 2000) and a graded version of the Dimensional Change Card Sort developed for preschoolers (Beck, Schaefer, Pang, & Carlson, 2011). Results showed that foster children whose parents received the ABC-T intervention and low-risk children never placed in foster care had fewer parent-reported attention problems and demonstrated greater cognitive flexibility during the Dimensional Change Card Sort than foster children whose parents received the control intervention. These results indicate that an attachment-based intervention implemented among toddlers in foster care is effective in enhancing children's executive functioning capabilities.

Exercising self-control is often difficult, whether declining a drink in order to drive home safely, passing on the chocolate cake to stay on a diet, or ignoring text messages to finish reading an important paper. But enacting self-control is not always difficult, particularly when it takes the form of proactively choosing or changing situations in ways that weaken undesirable impulses or potentiate desirable ones. Examples of situational self-control include the partygoer who chooses a seat far from where drinks are being poured, the dieter who asks the waiter not to bring around the dessert cart, and the student who goes to the library without a cell phone. Using the process model of self-control, we argue that the full range of self-control strategies can be organized by considering the timeline of the developing tempting impulse. Because impulses tend to grow stronger over time, situational self-control strategies—which can nip a tempting impulse in the bud—may be especially effective in preventing undesirable action. Ironically, we may underappreciate situational self-control for the same reason it is so effective—namely, that by manipulating our circumstances to advantage, we are often able to minimize the in-the-moment experience of intrapsychic struggle typically associated with exercising self-control.

Recent attention has highlighted the importance of reducing sedentary time for maintaining health and quality of life. However, it is unclear how changing sedentary behavior may influence executive functions and self-regulatory strategy use, which are vital for the long-term maintenance of a health behavior regimen. The purpose of this cross-sectional study is to examine the estimated self-regulatory and executive functioning effects of substituting 30 min of sedentary behavior with 30 min of light activity, moderate-to-vigorous physical activity (MVPA), or sleep in a sample of older adults. This study reports baseline data collected from low-active healthy older adults ( N  = 247, mean age 65.4 ± 4.6 years) recruited to participate in a 6 month randomized controlled exercise trial examining the effects of various modes of exercise on brain health and function. Each participant completed assessments of physical activity self-regulatory strategy use (i.e., self-monitoring, goal-setting, social support, reinforcement, time management, and relapse prevention) and executive functioning. Physical activity and sedentary behaviors were measured using accelerometers during waking hours for seven consecutive days at each time point. Isotemporal substitution analyses were conducted to examine the effect on self-regulation and executive functioning should an individual substitute sedentary time with light activity, MVPA, or sleep. The substitution of sedentary time with both sleep and MVPA influenced both self-regulatory strategy use and executive functioning. Sleep was associated with greater self-monitoring ( B  = .23, p  = .02), goal-setting ( B  = .32, p  < .01), and social support ( B  = .18, p  = .01) behaviors. Substitution of sedentary time with MVPA was associated with higher accuracy on 2-item ( B  = .03, p  = .01) and 3-item ( B  = .02, p  = .04) spatial working memory tasks, and with faster reaction times on single ( B  = −23.12, p  = .03) and mixed-repeated task-switching blocks ( B  = −27.06, p  = .04). Substitution of sedentary time with sleep was associated with marginally faster reaction time on mixed-repeated task-switching blocks ( B  = −12.20, p  = .07) and faster reaction time on mixed-switch blocks ( B  = 17.21, p  = .05), as well as reduced global reaction time switch cost ( B  = −16.86, p  = .01). Substitution for light intensity physical activity did not produce significant effects. By replacing sedentary time with sleep and MVPA, individuals may bolster several important domains of self-regulatory behavior and executive functioning. This has important implications for the design of long-lasting health behavior interventions. Trial Registration clinicaltrials.gov identifier NCT00438347.

Executive functioning and self-regulation influence a range of outcomes across the life course including physical and mental health, educational success, and employment. Children prenatally exposed to alcohol or early life trauma (ELT) are at higher risk of impairment of these skills and may require intervention to address self-regulation deficits. Researchers partnered with the local Aboriginal health organization and schools to develop and pilot a manualized version of the Alert Program® in the Fitzroy Valley, north Western Australia, a region with documented high rates of fetal alcohol spectrum disorder and ELT. This self-controlled cluster randomized trial evaluated the effect of an 8-week Alert Program® intervention on children's executive functioning and self-regulation skills. Following parent or caregiver consent (referred to hereafter as parent), 271 students were enrolled in the study. This reflects a 75% participation rate and indicates the strong community support that exists for the study. Teachers from 26 primary school classrooms across eight Fitzroy Valley schools received training to deliver eight, one-hour Alert Program® lessons over eight-weeks to students. Student outcomes were measured by parent and teacher ratings of children's behavioral, emotional, and cognitive regulation. The mean number of lessons attended by children was 4.2. Although no significant improvements to children's executive functioning skills or behavior were detected via the teacher-rated measures as hypothesized, statistically significant improvements were noted on parent-rated measures of executive functioning and behavior. The effectiveness of future self-regulation programs may be enhanced through multimodal delivery through home, school and community based settings to maximize children's exposure to the intervention. Despite mixed findings of effect, this study was an important first step in adapting and evaluating the Alert Program® for use in remote Australian Aboriginal community schools, where access to self-regulation interventions is limited.